162500240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{661}}^1$

素因数の和:1120

約数の個数: 80

約数和(自身を含む): 433424640

約数和(自身を除く): 270924400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 439, 560, 661, 878, 1322, 1756, 2195, 2644, 3073, 3305, 3512, 4390, 4627, 5288, 6146, 6610, 7024, 8780, 9254, 10576, 12292, 13220, 15365, 17560, 18508, 23135, 24584, 26440, 30730, 35120, 37016, 46270, 49168, 52880, 61460, 74032, 92540, 122920, 185080, 245840, 290179, 370160, 580358, 1160716, 1450895, 2031253, 2321432, 2901790, 4062506, 4642864, 5803580, 8125012, 10156265, 11607160, 16250024, 20312530, 23214320, 32500048, 40625060, 81250120, 162500240]

約数ペア:

[(1, 162500240), (2, 81250120), (4, 40625060), (5, 32500048), (7, 23214320), (8, 20312530), (10, 16250024), (14, 11607160), (16, 10156265), (20, 8125012), (28, 5803580), (35, 4642864), (40, 4062506), (56, 2901790), (70, 2321432), (80, 2031253), (112, 1450895), (140, 1160716), (280, 580358), (439, 370160), (560, 290179), (661, 245840), (878, 185080), (1322, 122920), (1756, 92540), (2195, 74032), (2644, 61460), (3073, 52880), (3305, 49168), (3512, 46270), (4390, 37016), (4627, 35120), (5288, 30730), (6146, 26440), (6610, 24584), (7024, 23135), (8780, 18508), (9254, 17560), (10576, 15365), (12292, 13220)]